diff --git a/x-pack/plugins/fleet/public/applications/fleet/sections/agent_policy/details_page/components/package_policies/no_package_policies.tsx b/x-pack/plugins/fleet/public/applications/fleet/sections/agent_policy/details_page/components/package_policies/no_package_policies.tsx
index e19cb7b1ca5e..80b0c0a114f2 100644
--- a/x-pack/plugins/fleet/public/applications/fleet/sections/agent_policy/details_page/components/package_policies/no_package_policies.tsx
+++ b/x-pack/plugins/fleet/public/applications/fleet/sections/agent_policy/details_page/components/package_policies/no_package_policies.tsx
@@ -39,7 +39,7 @@ export const NoPackagePolicies = memo<{ policyId: string }>(({ policyId }) => {
           fill
           onClick={() =>
             application.navigateToApp(INTEGRATIONS_PLUGIN_ID, {
-              path: pagePathGetters.integrations_all()[1],
+              path: pagePathGetters.integrations_all({})[1],
               state: { forAgentPolicyId: policyId },
             })
           }
diff --git a/x-pack/plugins/fleet/public/applications/fleet/sections/agent_policy/details_page/components/package_policies/package_policies_table.tsx b/x-pack/plugins/fleet/public/applications/fleet/sections/agent_policy/details_page/components/package_policies/package_policies_table.tsx
index eb5f8e6c6a9b..eca02096781a 100644
--- a/x-pack/plugins/fleet/public/applications/fleet/sections/agent_policy/details_page/components/package_policies/package_policies_table.tsx
+++ b/x-pack/plugins/fleet/public/applications/fleet/sections/agent_policy/details_page/components/package_policies/package_policies_table.tsx
@@ -270,7 +270,7 @@ export const PackagePoliciesTable: React.FunctionComponent<Props> = ({
                 iconType="plusInCircle"
                 onClick={() => {
                   application.navigateToApp(INTEGRATIONS_PLUGIN_ID, {
-                    path: pagePathGetters.integrations_all()[1],
+                    path: pagePathGetters.integrations_all({})[1],
                     state: { forAgentPolicyId: agentPolicy.id },
                   });
                 }}
diff --git a/x-pack/plugins/fleet/public/applications/integrations/app.tsx b/x-pack/plugins/fleet/public/applications/integrations/app.tsx
index f0c94b51677e..d37cbe4c166d 100644
--- a/x-pack/plugins/fleet/public/applications/integrations/app.tsx
+++ b/x-pack/plugins/fleet/public/applications/integrations/app.tsx
@@ -32,7 +32,7 @@ import {
 import { EuiThemeProvider } from '../../../../../../src/plugins/kibana_react/common';
 
 import { AgentPolicyContextProvider, useUrlModal } from './hooks';
-import { INTEGRATIONS_ROUTING_PATHS } from './constants';
+import { INTEGRATIONS_ROUTING_PATHS, pagePathGetters } from './constants';
 
 import { Error, Loading, SettingFlyout } from './components';
 
@@ -242,7 +242,7 @@ export const AppRoutes = memo(() => {
             // BWC < 7.15 Fleet was using a hash router: redirect old routes using hash
             const shouldRedirectHash = location.pathname === '' && location.hash.length > 0;
             if (!shouldRedirectHash) {
-              return <Redirect to={INTEGRATIONS_ROUTING_PATHS.integrations_all} />;
+              return <Redirect to={pagePathGetters.integrations_all({})[1]} />;
             }
             const pathname = location.hash.replace(/^#/, '');
 
diff --git a/x-pack/plugins/fleet/public/applications/integrations/sections/epm/components/package_list_grid.tsx b/x-pack/plugins/fleet/public/applications/integrations/sections/epm/components/package_list_grid.tsx
index e017de920637..6bbd479c5c2b 100644
--- a/x-pack/plugins/fleet/public/applications/integrations/sections/epm/components/package_list_grid.tsx
+++ b/x-pack/plugins/fleet/public/applications/integrations/sections/epm/components/package_list_grid.tsx
@@ -7,7 +7,6 @@
 
 import type { ReactNode } from 'react';
 import React, { Fragment, useCallback, useState } from 'react';
-import type { Query } from '@elastic/eui';
 import {
   EuiFlexGrid,
   EuiFlexGroup,
@@ -34,7 +33,9 @@ interface ListProps {
   controls?: ReactNode;
   title: string;
   list: PackageList;
-  setSelectedCategory?: (category: string) => void;
+  initialSearch?: string;
+  setSelectedCategory: (category: string) => void;
+  onSearchChange: (search: string) => void;
   showMissingIntegrationMessage?: boolean;
 }
 
@@ -43,33 +44,28 @@ export function PackageListGrid({
   controls,
   title,
   list,
-  setSelectedCategory = () => {},
+  initialSearch,
+  onSearchChange,
+  setSelectedCategory,
   showMissingIntegrationMessage = false,
 }: ListProps) {
-  const initialQuery = EuiSearchBar.Query.MATCH_ALL;
-
-  const [query, setQuery] = useState<Query | null>(initialQuery);
-  const [searchTerm, setSearchTerm] = useState('');
+  const [searchTerm, setSearchTerm] = useState(initialSearch || '');
   const localSearchRef = useLocalSearch(list);
 
   const onQueryChange = ({
-    // eslint-disable-next-line @typescript-eslint/no-shadow
-    query,
     queryText: userInput,
     error,
   }: {
-    query: Query | null;
     queryText: string;
     error: { message: string } | null;
   }) => {
     if (!error) {
-      setQuery(query);
+      onSearchChange(userInput);
       setSearchTerm(userInput);
     }
   };
 
   const resetQuery = () => {
-    setQuery(initialQuery);
     setSearchTerm('');
   };
 
@@ -99,7 +95,7 @@ export function PackageListGrid({
       <EuiFlexItem grow={1}>{controlsContent}</EuiFlexItem>
       <EuiFlexItem grow={3}>
         <EuiSearchBar
-          query={query || undefined}
+          query={searchTerm || undefined}
           box={{
             placeholder: i18n.translate('xpack.fleet.epmList.searchPackagesPlaceholder', {
               defaultMessage: 'Search for integrations',
diff --git a/x-pack/plugins/fleet/public/applications/integrations/sections/epm/screens/home/index.tsx b/x-pack/plugins/fleet/public/applications/integrations/sections/epm/screens/home/index.tsx
index b260bba493e7..5e94fbda2c22 100644
--- a/x-pack/plugins/fleet/public/applications/integrations/sections/epm/screens/home/index.tsx
+++ b/x-pack/plugins/fleet/public/applications/integrations/sections/epm/screens/home/index.tsx
@@ -5,13 +5,17 @@
  * 2.0.
  */
 
-import React, { memo, useState, useMemo } from 'react';
-import { Switch, Route, useLocation, useHistory } from 'react-router-dom';
+import React, { memo, useMemo } from 'react';
+import { Switch, Route, useLocation, useHistory, useParams } from 'react-router-dom';
 import semverLt from 'semver/functions/lt';
 import { i18n } from '@kbn/i18n';
 
 import { installationStatuses } from '../../../../../../../common/constants';
-import { INTEGRATIONS_ROUTING_PATHS } from '../../../../constants';
+import {
+  INTEGRATIONS_ROUTING_PATHS,
+  INTEGRATIONS_SEARCH_QUERYPARAM,
+  pagePathGetters,
+} from '../../../../constants';
 import { useGetCategories, useGetPackages, useBreadcrumbs } from '../../../../hooks';
 import { doesPackageHaveIntegrations } from '../../../../services';
 import { DefaultLayout } from '../../../../layouts';
@@ -20,6 +24,22 @@ import { PackageListGrid } from '../../components/package_list_grid';
 
 import { CategoryFacets } from './category_facets';
 
+export interface CategoryParams {
+  category?: string;
+}
+
+function getParams(params: CategoryParams, search: string) {
+  const { category } = params;
+  const selectedCategory = category || '';
+  const queryParams = new URLSearchParams(search);
+  const searchParam = queryParams.get(INTEGRATIONS_SEARCH_QUERYPARAM) || '';
+  return { selectedCategory, searchParam };
+}
+
+function categoryExists(category: string, categories: CategorySummaryItem[]) {
+  return categories.some((c) => c.id === category);
+}
+
 export const EPMHomePage: React.FC = memo(() => {
   return (
     <Switch>
@@ -69,7 +89,28 @@ const InstalledPackages: React.FC = memo(() => {
   const { data: allPackages, isLoading: isLoadingPackages } = useGetPackages({
     experimental: true,
   });
-  const [selectedCategory, setSelectedCategory] = useState('');
+
+  const { selectedCategory, searchParam } = getParams(
+    useParams<CategoryParams>(),
+    useLocation().search
+  );
+  const history = useHistory();
+  function setSelectedCategory(categoryId: string) {
+    const url = pagePathGetters.integrations_installed({
+      category: categoryId,
+      searchTerm: searchParam,
+    })[1];
+    history.push(url);
+  }
+  function setSearchTerm(search: string) {
+    // Use .replace so the browser's back button is tied to single keystroke
+    history.replace(
+      pagePathGetters.integrations_installed({
+        category: selectedCategory,
+        searchTerm: search,
+      })[1]
+    );
+  }
 
   const allInstalledPackages = useMemo(
     () =>
@@ -114,21 +155,28 @@ const InstalledPackages: React.FC = memo(() => {
     [allInstalledPackages.length, updatablePackages.length]
   );
 
-  const controls = useMemo(
-    () => (
-      <CategoryFacets
-        categories={categories}
-        selectedCategory={selectedCategory}
-        onCategoryChange={({ id }: CategorySummaryItem) => setSelectedCategory(id)}
-      />
-    ),
-    [categories, selectedCategory]
+  if (!categoryExists(selectedCategory, categories)) {
+    history.replace(
+      pagePathGetters.integrations_installed({ category: '', searchTerm: searchParam })[1]
+    );
+    return null;
+  }
+
+  const controls = (
+    <CategoryFacets
+      categories={categories}
+      selectedCategory={selectedCategory}
+      onCategoryChange={({ id }: CategorySummaryItem) => setSelectedCategory(id)}
+    />
   );
 
   return (
     <PackageListGrid
       isLoading={isLoadingPackages}
       controls={controls}
+      setSelectedCategory={setSelectedCategory}
+      onSearchChange={setSearchTerm}
+      initialSearch={searchParam}
       title={title}
       list={selectedCategory === 'updates_available' ? updatablePackages : allInstalledPackages}
     />
@@ -137,10 +185,25 @@ const InstalledPackages: React.FC = memo(() => {
 
 const AvailablePackages: React.FC = memo(() => {
   useBreadcrumbs('integrations_all');
+  const { selectedCategory, searchParam } = getParams(
+    useParams<CategoryParams>(),
+    useLocation().search
+  );
   const history = useHistory();
-  const queryParams = new URLSearchParams(useLocation().search);
-  const initialCategory = queryParams.get('category') || '';
-  const [selectedCategory, setSelectedCategory] = useState(initialCategory);
+  function setSelectedCategory(categoryId: string) {
+    const url = pagePathGetters.integrations_all({
+      category: categoryId,
+      searchTerm: searchParam,
+    })[1];
+    history.push(url);
+  }
+  function setSearchTerm(search: string) {
+    // Use .replace so the browser's back button is tied to single keystroke
+    history.replace(
+      pagePathGetters.integrations_all({ category: selectedCategory, searchTerm: search })[1]
+    );
+  }
+
   const { data: allCategoryPackagesRes, isLoading: isLoadingAllPackages } = useGetPackages({
     category: '',
   });
@@ -182,16 +245,17 @@ const AvailablePackages: React.FC = memo(() => {
     [allPackages?.length, categoriesRes]
   );
 
+  if (!categoryExists(selectedCategory, categories)) {
+    history.replace(pagePathGetters.integrations_all({ category: '', searchTerm: searchParam })[1]);
+    return null;
+  }
+
   const controls = categories ? (
     <CategoryFacets
       isLoading={isLoadingCategories || isLoadingAllPackages}
       categories={categories}
       selectedCategory={selectedCategory}
       onCategoryChange={({ id }: CategorySummaryItem) => {
-        // clear category query param in the url
-        if (queryParams.get('category')) {
-          history.push({});
-        }
         setSelectedCategory(id);
       }}
     />
@@ -202,8 +266,10 @@ const AvailablePackages: React.FC = memo(() => {
       isLoading={isLoadingCategoryPackages}
       title={title}
       controls={controls}
+      initialSearch={searchParam}
       list={packages}
       setSelectedCategory={setSelectedCategory}
+      onSearchChange={setSearchTerm}
       showMissingIntegrationMessage
     />
   );
diff --git a/x-pack/plugins/fleet/public/constants/page_paths.ts b/x-pack/plugins/fleet/public/constants/page_paths.ts
index 828ec135cd93..93ef0d56b17a 100644
--- a/x-pack/plugins/fleet/public/constants/page_paths.ts
+++ b/x-pack/plugins/fleet/public/constants/page_paths.ts
@@ -11,14 +11,14 @@ export type StaticPage =
   | 'base'
   | 'overview'
   | 'integrations'
-  | 'integrations_all'
-  | 'integrations_installed'
   | 'policies'
   | 'policies_list'
   | 'enrollment_tokens'
   | 'data_streams';
 
 export type DynamicPage =
+  | 'integrations_all'
+  | 'integrations_installed'
   | 'integration_details_overview'
   | 'integration_details_policies'
   | 'integration_details_assets'
@@ -65,10 +65,11 @@ export const FLEET_ROUTING_PATHS = {
   add_integration_to_policy: '/integrations/:pkgkey/add-integration/:integration?',
 };
 
+export const INTEGRATIONS_SEARCH_QUERYPARAM = 'q';
 export const INTEGRATIONS_ROUTING_PATHS = {
   integrations: '/:tabId',
-  integrations_all: '/browse',
-  integrations_installed: '/installed',
+  integrations_all: '/browse/:category?',
+  integrations_installed: '/installed/:category?',
   integration_details: '/detail/:pkgkey/:panel?',
   integration_details_overview: '/detail/:pkgkey/overview',
   integration_details_policies: '/detail/:pkgkey/policies',
@@ -87,8 +88,16 @@ export const pagePathGetters: {
   base: () => [FLEET_BASE_PATH, '/'],
   overview: () => [FLEET_BASE_PATH, '/'],
   integrations: () => [INTEGRATIONS_BASE_PATH, '/'],
-  integrations_all: () => [INTEGRATIONS_BASE_PATH, '/browse'],
-  integrations_installed: () => [INTEGRATIONS_BASE_PATH, '/installed'],
+  integrations_all: ({ searchTerm, category }: { searchTerm?: string; category?: string }) => {
+    const categoryPath = category ? `/${category}` : ``;
+    const queryParams = searchTerm ? `?${INTEGRATIONS_SEARCH_QUERYPARAM}=${searchTerm}` : ``;
+    return [INTEGRATIONS_BASE_PATH, `/browse${categoryPath}${queryParams}`];
+  },
+  integrations_installed: ({ query, category }: { query?: string; category?: string }) => {
+    const categoryPath = category ? `/${category}` : ``;
+    const queryParams = query ? `?${INTEGRATIONS_SEARCH_QUERYPARAM}=${query}` : ``;
+    return [INTEGRATIONS_BASE_PATH, `/installed${categoryPath}${queryParams}`];
+  },
   integration_details_overview: ({ pkgkey, integration }) => [
     INTEGRATIONS_BASE_PATH,
     `/detail/${pkgkey}/overview${integration ? `?integration=${integration}` : ''}`,